// Copyright 2019 The MediaPipe Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#import "MPPInputSource.h"

#define ABSTRACT_METHOD \
    @throw [NSException exceptionWithName:NSInternalInconsistencyException \
        reason:[NSString stringWithFormat:@"You must override %@ in a subclass", \
                    NSStringFromSelector(_cmd)] \
        userInfo:nil];

@implementation MPPInputSource

- (void)setDelegate:(id<MPPInputSourceDelegate>)delegate
              queue:(dispatch_queue_t)queue {
  _delegate = delegate;
  _delegateQueue = queue;
}

- (void)start {
  ABSTRACT_METHOD
}

- (void)stop {
  ABSTRACT_METHOD
}

@end
